add includes to USB examples

build/shared/examples/09.USB/Keyboard/KeyboardLogout/KeyboardLogout.ino

@@ -29,6 +29,9 @@
 #define WINDOWS 1
 #define UBUNTU 2
 
+#include "Keyboard.h"
+#include "HID.h"
+
 // change this to match your platform:
 int platform = OSX;
 

build/shared/examples/09.USB/Keyboard/KeyboardMessage/KeyboardMessage.ino

@@ -20,6 +20,9 @@
  http://www.arduino.cc/en/Tutorial/KeyboardMessage
  */
 
+#include "Keyboard.h"
+#include "HID.h"
+
 const int buttonPin = 4;          // input pin for pushbutton
 int previousButtonState = HIGH;   // for checking the state of a pushButton
 int counter = 0;                  // button push counter

build/shared/examples/09.USB/Keyboard/KeyboardReprogram/KeyboardReprogram.ino

@@ -27,6 +27,9 @@
  http://www.arduino.cc/en/Tutorial/KeyboardReprogram
  */
 
+#include "Keyboard.h"
+#include "HID.h"
+
 // use this option for OSX.
 // Comment it out if using Windows or Linux:
 char ctrlKey = KEY_LEFT_GUI;

build/shared/examples/09.USB/Keyboard/KeyboardSerial/KeyboardSerial.ino

@@ -19,6 +19,9 @@
  http://www.arduino.cc/en/Tutorial/KeyboardSerial
  */
 
+#include "Keyboard.h"
+#include "HID.h"
+
 void setup() {
   // open the serial port:
   Serial.begin(9600);

build/shared/examples/09.USB/KeyboardAndMouseControl/KeyboardAndMouseControl.ino

@@ -21,6 +21,10 @@
 
  */
 
+#include "Keyboard.h"
+#include "Mouse.h"
+#include "HID.h"
+
 // set pin numbers for the five buttons:
 const int upButton = 2;
 const int downButton = 3;

build/shared/examples/09.USB/Mouse/ButtonMouseControl/ButtonMouseControl.ino

@@ -24,6 +24,9 @@
 
  */
 
+#include "Mouse.h"
+#include "HID.h"
+
 // set pin numbers for the five buttons:
 const int upButton = 2;
 const int downButton = 3;

build/shared/examples/09.USB/Mouse/JoystickMouseControl/JoystickMouseControl.ino

@@ -28,6 +28,9 @@
 
  */
 
+#include "Mouse.h"
+#include "HID.h"
+
 // set pin numbers for switch, joystick axes, and LED:
 const int switchPin = 2;      // switch to turn on and off mouse control
 const int mouseButton = 3;    // input pin for the mouse pushButton